The primary product line is switch gear components including mercury type contactors, tilt switches and liquid level float controls.

For over 45 years Mercury Displacement Industries Inc. has been providng the mercury type contractors, tilt switches, and liquid level float controls. With a policy focus solely on delivering a quality product MDI Inc. is sure to provide you with the best product available.

Mercury Displacement Industries’s Popular Product Specialties

Control Float Switch

Ultasonic Sensor

Optical Float

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